======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '136'
                                          'artist'  'Bob Sharples'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "Sadie's Shawl"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'classical', 'intrumental', 'military', 'library music']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1956'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '107.435'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'TBPM' (BPM (beats per minute))                     '107.435'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1956'
'TIT2' (Title/songname/content description)         "Sadie's Shawl"
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bob Sharples'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'classical', 'intrumental', 'military', 'library music']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.20 dB'
'TXXX:replaygain_track_peak'                        '0.502443'

========================== row from database ==========================
                                              'id'  1499245
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1956/Bob Sharples - Sadie_s Shawl 22-9-1956.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  136
                                           'genre'  prerock-unsorted
                                        'filesize'  2721586
                                           'mtime'  1621698285
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1956 Sadie_s 22 9 1956 prerock unsorted
                                      'tag_artist'  Bob Sharples
                                     'tag_release'  None
                                       'tag_title'  Sadie's Shawl
                                             'bpm'  107.435
                                    'search_title'  's':2 'sadie':1 'sadies':3 'shawl':4
                                   'search_artist'  'bob':1 'sharples':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1956':6 '22':9 '9':10 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':11 's':8 'sadie':7 'unsorted':12
                                    'search_combo'  '00oldiepop':11 '1956':12 '22':15 '9':16 'bob':5B 'country':10 'exotica':8 'jazz':7 'oldies':9 'prerock':17 's':2A,14 'sadie':1A,13 'sadies':3A 'sharples':6B 'shawl':4A 'unsorted':18
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'classical', 'intrumental', 'military', 'library music']
                                        'tag_date'  1956
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698285.028783  (2021-05-22 17:44:45)
                             'size'  2721586